Lo que los fósiles nos enseñan sobre la Tierra (Investigating Fossils)

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

Carlos goes into the cloud forest to look for animals, but he manages to miss seeing them even though they have an adventure with his umbrella.

Take a trip through the different forests of the world to discover where forests are located and what types of animals are native to forests. This book features colorful pictures, a detailed map of forests on earth, and vocabulary related to forests.

Through innovation and imagination, savvy entrepreneur Richard King became a towering figure in the Texas cattle industry. The King Ranch, which continues to flourish today, is a symbol of his enduring legacy.

¿Dónde se encuentra la vesícula biliar? ¿Cuánto mide el intestino? ¿Se dice úvula o paladar blando? ¿Qué hay dentro de la bóveda craneal? ¿Cómo está hecho un globo ocular? ¿Y para qué sirven los alvéolos? Entre células, órganos, aparatos y tejidos, un viaje al cuerpo humano, con el corazón y con el cerebro, contado con rigor científico y alegría narrativa. De la cabeza a los pies, con todo lo que se encuentra entre medias.